About this 3D model

A new direct drive extruder, with 5.2 reduction gearbox motor and quick-filament change lever. Very powerfull. http://youtu.be/2mWRLoTe42Y http://youtu.be/jkEJWLWidgo Warning! Still Experimental. Designed in Pro/ENGINEER. Change (28-04-2014): The leaver is now compatible with 1.75mm filament